1. In ASCII, which character is represented by 0x51?

NOTE: there is an ASCII Table appended to the end of the exam.

2. In BCD, how do you encode (decimal) 28?

3. For Unsigned Binary, sign extend the following 4 bit words to 8 bits:

a. 0011

b. 1011

4. For Sign Magnitude Binary, sign extend the following 4 bit words to 8 bits:

a. 0100

b. 1100